v2.0.1: Remove duplicate raw-sources panel — Claude's inline ## References is authoritative

v2.0.0: Update README with new features and correct version

v2.0.0: Citations/References panel + Permanent SQLite chat history

v1.5.2: Replace localStorage with server-side file persistence - bulletproof on HF Spaces

v1.5.1: Fix StreamlitDuplicateElementId - unique keys for all st_javascript calls

v1.5.0: ChatGPT-style multi-session history in sidebar with localStorage persistence

v1.4.1: Fix localStorage persistence - use streamlit-javascript for HF Spaces iframe compatibility

v1.4.0: Session persistence via localStorage + MAX_TOKENS 8192

Fix: Ensure chat input always renders on HF Spaces

Fix: Make chat input sticky to ensure visibility on HF Spaces

Delete implementation_plan.md

Fix: Read API key from environment variable for HF Spaces

Exclude docs folder for HF deployment

Add HuggingFace Spaces deployment files

v1.3.0: Clinical rules update - TCL terminology, expanded drug responses, restructured comparators, and fixed NoneType bugs

v1.2.0: Premium UI overhaul - Gemini-style design, embedded SVG avatars, real-time streaming

v1.1: Enhanced trace logging with real-time backend visibility

v1.0 - Initial MVP Release